PULL · 21 JUL 2021

This was
your sky.

Colors: Ring Nebula versus Stars

NASA APOD
COSMIC MESSAGE

The Ring Nebula, also known as M57, emits light primarily in a few distinct colors, mainly hydrogen (red) and oxygen (blue). This image uses a prism-like diffraction grating to separate these colors, showing them as nearly overlapping images to the left of the center. This technology allows us to see the individual colors of the nebula and surrounding stars, revealing their spectral makeup.

CREDIT
PUBLIC DOMAIN NASA APOD
EXPORT AS
SB-2021-07-21
RARE · HOLO
Colors: Ring Nebula versus Stars
2021-07-21 · ♋
SKYBORN
Colors: Ring Nebula versus Stars
NASA APOD
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ZODIAC CONTEXT
CANCER

In tropical astrology, 21 JUL 2021 falls under Cancer (♋). The sign's window runs from 06-21 through 07-22. Cancer is marked by the Beehive Cluster, M44, a loose family of stars visible to the naked eye on a dark night. The Sun was crossing this region of the sky on 21 JUL 2021.

THE ALMANAC FOR 21 JUL 2021
DAY
Wednesday
MOON
Waxing gibbous, 89% lit
POSITION
Day 202 of 365